Base 9 Geodetic Consulting Services Calendar

Below are training events currently scheduled:

2025:

- Practical Geodesy for Practical Surveyors

- Modernization of the NSRS

2026: Details and links will be updated as they are available on these events where

Dave is presenting!

- Practical Geodesy for Practical Surveyors

- New Datums, New Coordinates, New Heights

- History of Horizontal and Vertical Datums

- Datum Transformations

- Practical Geodesy for Practical Surveyors

- New Datums, New Coordinates, New Heights

- Practical Geodesy for Practical Surveyors

- New Datums, New Coordinates, New Heights

WorkshopReviews

What people are saying about Dave and Base 9 Geodetic Consulting Services workshops:

"You are the Neil deGrasse Tyson of Surveying"
"Great speaker!! Very informed; please come back."
"Always learn new things from David Doyle.""
"A great speaker. Very knowledgeable and easy to listen to. Lots of good information."
"Extremely informative. Dave is always an excellent presenter."
"Would like to see this seminar each year to keep updated on NSRS."
"Invaluable presenter with wealth of knowledge and the wisdom to make understanding content easier."
"Instructor extremely informative and knowledgeable. Would recommend every surveyor take his class."
"This course should be repeated in future conferences."
"Good speaker and did not talk over our heads."
"Very experienced, based on 'real world' experience."

You can contact these organizations, who have hosted Base 9 Geodetic Consulting Services seminars, for references/reviews:

Videos/recordings of Dave's seminars:

-- "Relationship of and transformations between most common reference frames used in the U.S."; January 30, 2015

-- "Modernization of the National Spatial Reference System "; March 14, 2014

-- Fundamentals of Geodesy, November 14, 2014, 4:24

-- NGS Datasheets Tips, January 12, 2015, 3:59

SeminarExamples